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How do I invoke a Java method when given the method name as a string?
... has no arguments, only give methodName).
Then you invoke that method by calling
try {
method.invoke(obj, arg1, arg2,...);
} catch (IllegalArgumentException e) { ... }
catch (IllegalAccessException e) { ... }
catch (InvocationTargetException e) { ... }
Again, leave out the arguments in .in...
Is an HTTPS query string secure?
I am creating a secure web based API that uses HTTPS; however, if I allow the users to configure it (include sending password) using a query string will this also be secure or should I force it to be done via a POST?
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Procedure expects parameter which was not supplied
...easy. Thank you. I knew the parameter existed and wasn't null and this was all it took.
– BornToDoStuff
Nov 8 '19 at 21:57
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Add UIPickerView & a Button in Action sheet - How?
...oblem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview.
There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it ...
Difference between using bean id and name in Spring configuration file
...ference, 3.2.3.1 Naming Beans:
Every bean has one or more ids (also
called identifiers, or names; these
terms refer to the same thing). These
ids must be unique within the
container the bean is hosted in. A
bean will almost always have only one
id, but if a bean has more than one
i...
What does the term “porcelain” mean in Git?
The term "porcelain" appears occasionally in the Git documentation. What does it mean?
9 Answers
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JavaScript check if variable exists (is defined/initialized)
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You want the typeof operator. Specifically:
if (typeof variable !== 'undefined') {
// the variable is defined
}
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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
... and get on with writing good, consistently formatted code. Sure, no one really thinks that 79 is optimal, but there's no obvious gain in changing it to 99 or 119 or whatever your preferred line length is. I think the choices are these: follow the rule and find a worthwhile cause to battle for, or p...
How to convert an IPv4 address into a integer in C#?
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This doesn't actually seem to make a difference on Windows using .NET - unsure about Mono. See dotnetfiddle.net/cBIOj2
– Jesse
Mar 7 '18 at 12:42
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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When I called Integer.toHexString((byte)0xff) it returned "ffffffff" because of sign extension. So one might need to take the last two characters of the returned string.
– Marvo
Jul 27 '12 at 2...